Base | Representation |
---|---|
bin | 110001010010… |
… | …111111110101 |
3 | 220022112211210 |
4 | 301102333311 |
5 | 11302012434 |
6 | 1140552033 |
7 | 214562001 |
oct | 61227765 |
9 | 26275753 |
10 | 12922869 |
11 | 7327163 |
12 | 43b2619 |
13 | 28a608b |
14 | 1a05701 |
15 | 1203ee9 |
hex | c52ff5 |
12922869 has 16 divisors (see below), whose sum is σ = 18247680. Its totient is φ = 8112240.
The previous prime is 12922859. The next prime is 12922901. The reversal of 12922869 is 96822921.
It is not a de Polignac number, because 12922869 - 24 = 12922853 is a prime.
It is a super-2 number, since 2×129228692 = 334001086382322, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12922859) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10294 + ... + 11480.
It is an arithmetic number, because the mean of its divisors is an integer number (1140480).
Almost surely, 212922869 is an apocalyptic number.
12922869 is a gapful number since it is divisible by the number (19) formed by its first and last digit.
It is an amenable number.
12922869 is a deficient number, since it is larger than the sum of its proper divisors (5324811).
12922869 is a wasteful number, since it uses less digits than its factorization.
12922869 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1400.
The product of its digits is 31104, while the sum is 39.
The square root of 12922869 is about 3594.8392175451. The cubic root of 12922869 is about 234.6675183534.
The spelling of 12922869 in words is "twelve million, nine hundred twenty-two thousand, eight hundred sixty-nine".
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